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Finding the Fourth Proportional to 26,917.41, 40,392.98 and 10,278.90

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Solution

The fourth proportional to 26,917.41, 40,392.98 and 10,278.90 is: 15,424.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,917.41 : 40,392.98 = 10,278.90 : x
  2. Step 2: Convert to fraction form
    26,917.41/40,392.98 = 10,278.90/x
  3. Step 3: Cross multiply
    26,917.41x = 40,392.98 × 10,278.90
  4. Step 4: Simplify right side
    26,917.41x = 415,195,389.27
  5. Step 5: Solve for x
    x = 415,195,389.27/26,917.41
  6. Step 6: Final answer
    x = 15,424.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.